Autologous graft versus fresh frozen allograft in instrumented lumbar surgery. Clinical and radiological results
Abstract
AbstractBackground: The effectiveness of fresh frozen bone allograft is controversial in lumbar fusion. The aim of this study is to compare clinical outcomes, duration of surgery, length of hospital stay and radiological results, using autologous graft versus fresh frozen bone allograft in instrumented lumbar fusion surgery.Methods: We analyzed 32 patients from January 2009 to May 2011 treated with one level instrumented circumferential lumbar fusion. They were divided into two groups, Group A: autologous graft, Group B: fresh frozen bone allograft. Before surgery, we used the visual analogue scale (severity of symptoms) and the ODI index (quality of life), in the postoperative period, ODI index was performed again and Bridwell classification was used in computed tomography to evaluate fusion. We evaluated the duration of surgery and hospital stay. Observational, analytical, prospective and randomized study, with therapeutic value.Results: There were no significant differences between the groups: quality of life: improvement in group A: 55.26%, group B: 55.30% (p<0.9); surgical time: group A, 169.4 minutes on average, group B, 148 minutes (p <0.16); hospital stay: group A, 73.3 hours on average, group B, 58.7 hours (p <0.12); posterolateral fusion rate: group A, 94.74%, group B, 92.31% (p <0.57).Conclusion: Although the differences between fresh frozen bone allograft and autograft were not significant, a shorter surgical time and reduction on hospital stay in the fresh frozen bone allograft group show that this is a suitable choice to autograft.Downloads
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